Electrical Machines
In a transformer, hysteresis and eddy current losses depend upon

 maximum flux density
 load current
 supply frequency
 both 2 and 3

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces

  noise, parasitic and starting torque, but increase pull out torque.
  noise, parasitic torque, starting torque and pull out torque.
  noise and parasitic torque, but increase starting and pull-out torque.
  noise and pullout torque, but increase parasitic and starting torque.

ANSWER DOWNLOAD EXAMIANS APP